netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop1): mounted filesystem without journal. Opts: delalloc,,errors=continue overlayfs: './file0' not a directory ================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 103 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 12156 Comm: syz-executor.2 Not tainted 4.19.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 red_calc_qavg_from_idle_time include/net/red.h:272 [inline] red_adaptative_algo include/net/red.h:404 [inline] red_adaptative_timer+0x7ed/0x870 net/sched/sch_red.c:266 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:3910 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 dd 01 00 00 48 83 3d c9 9d 0b 08 00 0f 84 4e 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff88804bd27a10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12c7135 RBX: ffff88804a7986c0 RCX: f6bdfbc60cb0ccf1 RDX: dffffc0000000000 RSI: ffff88804a798f48 RDI: 0000000000000286 RBP: ffff88809dd2b1a8 R08: 0000000084a62e47 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xd7/0x13f0 kernel/locking/mutex.c:1072 snd_seq_write+0x1e7/0x690 sound/core/seq/seq_clientmgr.c:1023 __vfs_write+0xf7/0x770 fs/read_write.c:485 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa3b217ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000039e80 RCX: 000000000045e179 RDX: 00000000fffffee4 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 000000000118d028 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cff4 R13: 00007ffd5977dd2f R14: 00007fa3b217b9c0 R15: 000000000118cff4 ================================================================================ netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop1): mounted filesystem without journal. Opts: delalloc,,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. EXT4-fs (loop1): mounted filesystem without journal. Opts: delalloc,,errors=continue